Yes. A breathalyzer result can be challenged by examining how the device was used and maintained, who administered the test, and whether proper procedures were followed. Issues such as missing calibration logs, incorrect administration steps, or evidence of mouth alcohol can all undermine a breath reading. Challenging a breath result typically begins with obtaining device maintenance and calibration records, officer training documentation, and any available video of the stop and testing. These records can reveal procedural gaps that reduce the probative value of the breath reading. Challenging a breath result may lead to suppression of the evidence or other favorable outcomes depending on the issues uncovered. In Madison, timing matters because administrative and criminal processes run in parallel, and prompt action is needed to secure records. Retaining counsel early helps ensure discovery requests and preservation letters are sent in time, creating the best opportunity to identify and develop effective challenges before key records are lost or overwritten.